Watch List notes:

ACHAIA, Achaian League. Stymphalos. Circa 191-146 BC. Tetrachalkon (Bronze, 20 mm, 4.67 g, 2 h), struck under the magistrate Python. ΠYΘΩN Zeus, nude, standing left, holding Nike in right hand and scepter in left. Rev. AXAIΩN ΣTYMΦAΛIΩN Achaia seated left, holding wreath in right hand and scepter in left. BCD Peloponnesos 1708. HGC 5, 1031. Warren, Bronze 819-30. Green patina. Minor roughness, otherwise, very fine.